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Страна: Великобритания

Год: 1917

Fighter

C.Andrews Vickers Aircraft since 1908 (Putnam)

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   A further development of the Gunbus was projected in the F.B.23 for a pusher fighter of 38-ft span as a replacement for the F.B.9. This failed to materialise, but an unusual development of this design to carry the Crayford rocket gun was built in Vickers' experimental shop at Gravel Hill, Bexleyheath. This was the F.B.25, and the power unit was the 150 hp Hispano Suiza. It was intended as a night-fighter to fill the same requirement as Farnborough's N.E.1, but it was crashed by a Service test pilot in May 1917, after an unflattering flight-test report.


F.B.25 - One 150 hp Hispano Suiza. Span 41 ft 6 in; length 28 ft 1 in; height 10 ft 10 in; wing area 500 sq ft. Empty weight 1,608 lb; gross weight 2,454 lb. Max speed 86 mph at 5,000 ft; climb to 10,000 ft - 27 1/4 min; service ceiling 11,500 ft; absolute ceiling 13,500 ft; endurance 4 1/2 hr. Armament one Vickers Crayford rocket gun.

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Описание:

  • C.Andrews Vickers Aircraft since 1908 (Putnam)
  • P.Lewis The British Fighter since 1912 (Putnam)
  • F.Mason The British Fighter since 1912 (Putnam)
  • W.Green, G.Swanborough The Complete Book of Fighters
  • J.Bruce British Aeroplanes 1914-1918 (Putnam)
  • H.King Armament of British Aircraft (Putnam)
  • Журнал Flight
  • F.Mason - The British Fighter since 1912 /Putnam/

    The F.B.25 two-seat night fighter of 1917 in modified form, almost certainly at Joyce Green. As originally designed with a nose-mounted searchlight, the nacelle was some three feet longer, with an auxiliary nosewheel to prevent the aircraft from nosing over when landing.
    The trial installation of an oleo-pneumatic undercarriage may also be noted, but the outstanding feature was the Crayford rocket gun intended for attacking hostile airships, an operational philosophy revived in Vickers' COW gun fighter of 1931.